Winter Weather Advisory Issued For OR & WA | Up To 18″ of Snow Is Expected To Fall Today – Friday

Chris Wallner | | WeatherWeather
PURPLE= Winter Weather Advisory. Image: NOAA

The National Weather Service has issued a Winter Weather Advisory for Oregon and Washington. It is in effect from Thursday Morning – Friday. A strong cold front is expected to move through, which will turn rain to snow.

Up To 18″ of snow is expected to fall Thursday Morning – Friday in Oregon.

8-14″ of snow is expected to fall Thursday Morning – Friday Morning in Washington. 

NOAA Has Issued A Winter Weather Advisory For:

  • Oregon
  • Washington
7 day snowfall totals are looking GOOD for the PNW. Image: Tropical Tidbits
7 day precipitation totals are HUGE for the PNW. Image: NOAA

Snow levels are expected to hover around 3500ft for the storm, but accumulating snowfall is expected to occur above 5000ft.

Additional Storm Info:

Mountain Snowfall is on tap for the rest of the week. Image: NOAA Pendleton, OR
A low pressure system moving through the region will bring cooler temperatures and rain to lower elevations, as well as the first significant snow to the mountains of northeast Oregon and southeast Washington. Image: NOAA Pendleton, OR

Oregon: Up To 18″ of Snow Thursday Morning – Friday Night

* Total snow accumulations of 6 to 12 inches expected at pass
 level, with as much as 18 inches expected for the higher ski
 resort elevations by Friday evening.
The second wave of snow is on the way. Image: NOAA Spokane, WA
Snow is ending over Lookout Pass this morning but another round will come tonight with higher amounts and more passes impacted. Image: NOAA Spokane, WA

Washington: 8-14″ of Snow Above 3500ft Today – Friday Morning

* Total snow accumulations by early Friday morning 8 to 14 inches.
6-10 day temperature outlook. Image: NOAA
6-10 day precipitation outlook. Image: NOAA

Oregon Winter Weather Advisory:

URGENT - WINTER WEATHER MESSAGE
National Weather Service Portland OR
251 AM PDT Thu Oct 12 2017

Cascades in Lane County-
Including the city of McKenzie Pass

...WINTER WEATHER ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO
6 PM PDT FRIDAY ABOVE 5000 FEET...

* WHAT...Snow expected. Travel will be difficult across the
 Cascades above 5000 feet in elevation, especially at night.
 Total snow accumulations of 6 to 12 inches expected at pass
 level, with as much as 18 inches expected for the higher ski
 resort elevations by Friday evening.

* WHERE...Cascades in Lane County above 5000 feet, including
 Willamette Pass and McKenzie Pass.

* WHEN...9 AM today to 6 PM Friday.

* ADDITIONAL DETAILS...Heavier snow showers will result in brief
 accumulation rates of an inch or two per hour, reducing
 visibility considerably, especially at night.

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